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<div class="title">gtc/constants.hpp</div>  </div>
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<a href="a00015.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;</div>
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<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#ifndef GLM_GTC_constants</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define GLM_GTC_constants GLM_VERSION</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment">// Dependency:</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="preprocessor">#include &quot;../glm.hpp&quot;</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="preprocessor">#include &quot;../gtc/half_float.hpp&quot;</span></div>
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<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="preprocessor">#if(defined(GLM_MESSAGES) &amp;&amp; !defined(glm_ext))</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#       pragma message(&quot;GLM: GLM_GTC_constants extension included&quot;)</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="keyword">namespace </span>glm</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;{</div>
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<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        genType <a class="code" href="a00145.html#gaf38c4ec0213885e6692f206fe1408c71" title="Return the epsilon constant for floating point types.">epsilon</a>();</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;        genType <a class="code" href="a00145.html#gab76ba72430dc7c11be15a2895e7e61f9" title="Return 0.">zero</a>();</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;        genType <a class="code" href="a00145.html#ga48eaf4ba6e62b66222b8f3e2e57f25ab" title="Return 1.">one</a>();</div>
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<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
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<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;        genType <a class="code" href="a00145.html#gaa8f9279b31aaa28cfea2b3fdbb71334f" title="Return pi / 2.">half_pi</a>();</div>
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<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;</div>
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<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;</div>
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<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;        genType <a class="code" href="a00145.html#gac55c459d0861b77990e8719f6f4a1e92" title="Return sqrt(ln(4)).">root_ln_four</a>();</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;        genType <a class="code" href="a00145.html#ga3220d28f6664e2091ae72f57fea57423" title="Return e constant.">e</a>();</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;</div>
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<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;        genType <a class="code" href="a00145.html#gaeaac224b44a4e642a84f5133c6ce7d81" title="Return Euler&#39;s constant.">euler</a>();</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;</div>
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<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;        genType <a class="code" href="a00145.html#ga76136e4e8892c80e969f4ff2a7e73faa" title="Return sqrt(2).">root_two</a>();</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;        genType <a class="code" href="a00145.html#gac6ee81ef34c2db2019290d7d48daf863" title="Return sqrt(3).">root_three</a>();</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;        genType <a class="code" href="a00145.html#gaed74221e982333922018431aa12cda62" title="Return sqrt(5).">root_five</a>();</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;        genType <a class="code" href="a00145.html#gabf8770f9b8cd9fb89feb7b707f3c339e" title="Return ln(2).">ln_two</a>();</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;        genType <a class="code" href="a00145.html#ga05fc32d108a5065b3e6a61bdb6fcd2ee" title="Return ln(10).">ln_ten</a>();</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;        genType <a class="code" href="a00145.html#gaf592c9de9c5376ce741589804a9ab52e" title="Return ln(ln(2)).">ln_ln_two</a>();</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;        genType <a class="code" href="a00145.html#gaf952fb46d03a8bf5dd79a1ab00b24b77" title="Return 1 / 3.">third</a>();</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;        genType <a class="code" href="a00145.html#ga7127480e917d0a6016a435b1e8d67176" title="Return 2 / 3.">two_thirds</a>();</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> genType&gt;</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;        genType <a class="code" href="a00145.html#ga3ea4aa61e3c5cc8349cac68c769c28e7" title="Return the golden ratio constant.">golden_ratio</a>();</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;} <span class="comment">//namespace glm</span></div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;<span class="preprocessor">#include &quot;constants.inl&quot;</span></div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;<span class="preprocessor">#endif//GLM_GTC_constants</span></div>
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